An unusual circadian rhythm in an active duty service member

The case of a 29-year-old active duty US Navy sailor with severe sleepiness is presented. He was diagnosed with mild obstructive sleep apnea which did not fully explain his sleepiness. At follow-up, positive airway pressure usage demonstrated a progressive, variable phase delay. His sleep periods al...

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Bibliographic Details
Published in:Sleep and biological rhythms 2016, Vol.14 (1), p.113-115
Main Authors: Mysliwiec, Vincent, Matsangas, Panagiotis, Baxter, Tristin, Shattuck, Nita Lewis
Format: Article
Language:English
Subjects:
Biomedical and Life Sciences
Biomedicine
Case Report
Health Psychology
Human Physiology
Internal Medicine
Neurology
Neurosciences
Psychiatry
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Summary:The case of a 29-year-old active duty US Navy sailor with severe sleepiness is presented. He was diagnosed with mild obstructive sleep apnea which did not fully explain his sleepiness. At follow-up, positive airway pressure usage demonstrated a progressive, variable phase delay. His sleep periods aligned with his 5-h on/10-h off (5/10) military duty schedule. Treatment with bright light exposure and melatonin resolved his circadian arrhythmia. While it is known that military personnel are habitual shift workers who receive insufficient sleep, there is little documentation of shift work disorders in this population.
ISSN:1446-9235
1479-8425
DOI:10.1007/s41105-015-0003-0